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Finding the Third Proportional to 201,397,458 and 310,992,907

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Solution

The third proportional to 201,397,458 and 310,992,907 is: 480,227,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397,458 : 310,992,907 = 310,992,907 : x
  2. Step 2: Convert to fraction form
    201,397,458/310,992,907 = 310,992,907/x
  3. Step 3: Cross multiply
    201,397,458x = 310,992,907 × 310,992,907
  4. Step 4: Simplify right side
    201,397,458x = 96,716,588,204,310,656
  5. Step 5: Solve for x
    x = 96,716,588,204,310,656/201,397,458
  6. Step 6: Final answer
    x = 480,227,452.54

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.